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Manufacturer Part #

MCP7940M-I/MS

MCP7940M Series 5.5 V 64 byte Low-Cost I2C™ Real-Time Clock/Calendar with SRAM

ECAD Model:
Mfr. Name: Microchip
Standard Pkg:
Product Variant Information section
Date Code:
Product Specification Section
Technical Attributes
Attributes Table
Date Format: YY:MM:DD
Time Format: HH:MM:SS
Interface: I2C
Non-Volatile Memory Size: 64B
Supply Voltage-Nom: 1.8V to 5.5V
Temperature Grade: Industrial
Operating Temp Range: -40°C to +85°C
Storage Temperature Range: -65°C to +150°C
Package Style:  MSOP-8
Mounting Method: Surface Mount
Features & Applications

The MCP7940M-I/MS is a Low-Cost I2C Real-Time Clock/Calender with 64 bytes of SRAM, available in surface mount MSOP-8 package.

The Real-Time Clocks uses digital timing compensation for an accurate clock/calendar and a a programmable output control for versatility.

Features:

  • Real-Time Clock/Calendar (RTCC), Battery Backed:
    • Hours, Minutes, Seconds, Day of Week, Day, Month and Year
    • Dual alarm with single output
  • On-Chip Digital Trimming/Calibration:
    • Range -127 to +127 ppm
    • Resolution 1 ppm
  • Programmable Open-Drain Output Control:
    • CLKOUT with 4 selectable frequencies
    • Alarm output
  • Low-Power CMOS Technology:
    • Dynamic Current: 400 µAmax write
  • 100 kHz and 400 kHz Compatibility
  • ESD Protection >4,000V
  • Pb-Free and RoHS Compliant
  • Temperature Ranges:
    • Industrial (I): -40°C to +85°C
Pricing Section
Global Stock:
0
USA:
0
On Order:
0
Factory Stock:Factory Stock:
0
Factory Lead Time:
N/A
Minimum Order:
600
Multiple Of:
100
Total
$423.00
USD
Quantity
Web Price
1
$0.845
40
$0.755
150
$0.725
400
$0.705
1,500+
$0.675
Product Variant Information section